You are a professional webdesigner. You ought to know this very elementary topic by now. Look up concatenation of strings, addition of numbers.

You have 671 posts, all of them asking for assistance in your paid work, none offering it, but you have awarded zero thanks and the word "please" is not in your vocabulary. As AeroSpace Engineer would say,
|||| If you are getting paid to do a job, don't ask for help on it ! ||||